Mensuration

A rectangle has a breadth of $5$ m and its length is double its breadth. Find its perimeter.

The perimeter of a regular octagon is $40$ cm. What is the length of one side?

Find the perimeter of a scalene triangle with sides $3$ cm, $4$ cm, and $5$ cm.

A piece of wire is $24$ cm long. If it is bent to form a square, what will be the side of the square?

The perimeter of a regular triangle is $15$ cm and the perimeter of a square is $20$ cm. What is the difference between the side of the square and the side of the triangle?

What is the length of the wooden strip required to frame a photograph of length and breadth $32$ cm and $21$ cm respectively?

The length of a rectangular park is $250$ m and its breadth is $175$ m. Find the cost of fencing it at the rate of Rs $12$ per metre.

A string of length $60$ cm is used to form a rectangle whose length is twice its width. What are the dimensions of the rectangle?

A rectangular room measures $8$ m by $6$ m. A decorative border is placed $0.5$ m away from the walls inside the room. What is the total length of this border?

If the perimeter of a regular pentagon is $100$ cm, and a new figure is formed by joining two such pentagons along one side, what is the perimeter of the new figure?

Area of a rectangle = length $\times$ ________.

Find the area of a rectangle with length $14$ cm and breadth $5$ cm.

If the side of a square is $6$ cm, what is its area? (A square is a special rectangle).

Find the area of a rectangle whose length is $7$ m and breadth is $3$ m.

A rectangular frame has an area of $48$ sq. cm. If its length is $2$ cm more than its breadth, what are its dimensions?

Calculate the area of the shaded region if the outer rectangle is $10$ cm $\times$ $8$ cm and the inner white rectangle is $6$ cm $\times$ $4$ cm.

The length of a rectangle is $3$ times its breadth. If the breadth is $5$ cm, what is the area?

How many envelopes can be made out of a sheet of paper $125\text{ cm}$ by $85\text{ cm}$, if each envelope requires a piece of paper of size $17\text{ cm}$ by $5\text{ cm}$?

A painting is $40\text{ cm}$ long and $25\text{ cm}$ wide. It is to be mounted on a cardboard such that there is a margin of $2\text{ cm}$ wide all around the painting. What is the area of the margin?

The ratio of length to breadth of a rectangular field is $5:3$. If the perimeter is $128\text{ m}$, find the area of the field.

A square piece of cardboard has a side of $40\text{ cm}$. Calculate its area.

Find the area of the square shown in the figure where side length $s = 5\text{ cm}$.

If a square has a side of $11\text{ units}$, what is its area?

The side of a square stamp is $2\text{ cm}$. What is the area of the stamp?

A wire in the shape of a square of side $10\text{ cm}$ is rebent into a rectangle of length $12\text{ cm}$. Which shape has more area, the original square or the rectangle?

The area of a square is $225\text{ cm}^2$. Find its perimeter.

A square floor of side $4\text{ m}$ is to be tiled with square tiles of side $10\text{ cm}$. How many tiles are needed?

A rectangular sheet of paper $40\text{ cm} \times 30\text{ cm}$ has two squares of side $10\text{ cm}$ cut out from its two opposite corners. What is the area of the remaining sheet?

If the diagonal of a square is $10\sqrt{2}\text{ cm}$, find the area of the square.

A rectangle of length $20\text{ cm}$ and breadth $15\text{ cm}$ is cut into small squares of side $5\text{ cm}$ each. How many such squares can be formed, and what is their total area?